Methodology for hydrologic evaluation of a potential surface mine
Subtitle: East Trail Creek basin, Big Horn County, Montana
By: by R.F. Hadley ... [et al.].
Contributors: Hadley, R. F. 1924-; Geological Survey (U.S.)
Series: Open-file report / U.S. Geological Survey -- 81-58; Open-file report (Geological Survey (U.S.)) -- 81-58.
Publisher: U.S. Geological Survey
Published: 1981
Place of publication: Denver, Colo
Language: eng
Format: Microform
Number of pages: 73
Subjects: Hydrology -- Montana -- East Trail Creek basin.; Coal mines and mining -- Environmental aspects -- Montana -- East Trail Creek basin.
Other titles: East Trail Creek basin, Big Horn County, Montana
Notes: One map on folded sheet in pocket.

"Water-resources investigations."

Bibliography: p. 54-58.

Microfiche. Washington, D.C. : U.S. G.P.O., 1981. 2 microfiches : negative.